编译sdl所要用到的库，也是用sdl编译其他软件所必须的。-Use sdl to compile the library, is compiled with sdl other software necessary.

使用SDL库的简单示例就是画点示例用C语言写的网上看到的，大家可以试下编译，注意链接选项之类的-SDL library to use a simple example of sample points is drawn using C language to write online see, you can try to compile the next, pay attention to options such as links